DIY: How to Test a Lawn Mower Safety Switch - Pressure Switch - MTD Gold Riding Lawn Mower

Alright, today we're going to look at how to test a switch from a riding mower. The switch has a button that you push in, and it does one thing, and you push out, and it does another. So it completes circuits two different ways. You can see there are four spades in it. We'll call this the long side and the short side for reference, but the long side has four spades parallel with it, and each side is its own circuit. So this side's one circuit, and this side's the other one. We're going to be checking for continuity today to test to see if this switch is still functioning properly. So on my multimeter, I'm going to change to my continuity setting, which is right here with the alarm, so that when a circuit is completed, it makes a beeping sound. So the first thing we're going to do is test one side, so we put one lead on each, put a lead on each of the posts, make sure the leads don't touch each other, but put a lead on each of the posts on the same side, and you'll hear there's no tone. So we know on this side, hopefully, when I push the button, it completes the circuit. So since this side completes the circuit with the button pushed in, the other side should complete the circuit with the button out. So we'll do the same thing on the other side. It doesn't matter which lead goes on which spade as long as you're testing on the same side, the spades parallel with each other, and the button is not pushed in, and the circuit is completed. That lets you know that this switch is good. If you found this video helpful, subscribe and give me a thumbs up. If you want to see a video for how to test a solenoid, click on the picture in the top left. If you want to see a video on how to level the deck on your riding mower, click the video in the top right. Please post any questions you may have in the comments section below.